Arbeitspapier
Ownership Unbundling of Gas Transmission Networks - Empirical Evidence
The European Commission has intensively discussed the mandatory separation of natural gas transmission from production and services. However, economic theory is ambiguous on the price effects of vertical separation. In this paper, we empirically analyse the effect of ownership unbundling of gas transmission networks as the strongest form of vertical separation on the level of end-user prices. Therefore, we apply different dynamic estimators as system GMM and the bias-corrected least-squares dummy variable or LSDVC estimator on an unbalanced panel out of 18 EU countries over 19 years, allowing us to avoid the endogeneity problem and to estimate the long-run effects of regulation. We introduce a set of regulatory indicators as market entry regulation, ownership structure, vertical separation and market structure and account for structural and economic country specifics. Among these different estimators, we consistently find that ownership unbundling has no impact on natural gas end-user prices, while the more modest legal unbundling reduces them significantly. Furthermore, third-party access, market structure and privatisation show significant influence with the latter leading to higher price levels.
- Sprache
-
Englisch
- Erschienen in
-
Series: EWI Working Paper ; No. 11/07
- Klassifikation
-
Wirtschaft
Single Equation Models; Single Variables: Panel Data Models; Spatio-temporal Models
Legal Monopolies and Regulation or Deregulation
Electric Utilities
- Thema
-
Natural gas
Networks
Regulation
Ownership unbundling
Panel data
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Growitsch, Christian
Stronzik, Marcus
- Ereignis
-
Veröffentlichung
- (wer)
-
Institute of Energy Economics at the University of Cologne (EWI)
- (wo)
-
Köln
- (wann)
-
2011
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:44 MEZ
Datenpartner
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Objekttyp
- Arbeitspapier
Beteiligte
- Growitsch, Christian
- Stronzik, Marcus
- Institute of Energy Economics at the University of Cologne (EWI)
Entstanden
- 2011
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